It could happen. I hope it doesn't. Not until there are more players than just us message board geeks.  

Take bitcoin frex. By itself, it's got a market cap of around $150bn. There's maybe 15m people in the world that own any.

So the average hodler has $10,000 in BTC.

The median adult alive today has $4,700 in total wealth--that's real estate, cattle, personal effects, inventory, cash, everything.